ARM: at91: sam9x5 add udc DT support

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Tested-by: Bo Shen <voice.shen@atmel.com>

arch/arm/boot/dts/at91sam9x5.dtsi

@@ -746,6 +746,68 @@ spi1: spi@f0004000 {
 				status = "disabled";
 			};
 
+			usb2: gadget@f803c000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "atmel,at91sam9rl-udc";
+				reg = <0x00500000 0x80000
+				       0xf803c000 0x400>;
+				interrupts = <23 IRQ_TYPE_LEVEL_HIGH 0>;
+				status = "disabled";
+
+				ep0 {
+					reg = <0>;
+					atmel,fifo-size = <64>;
+					atmel,nb-banks = <1>;
+				};
+
+				ep1 {
+					reg = <1>;
+					atmel,fifo-size = <1024>;
+					atmel,nb-banks = <2>;
+					atmel,can-dma;
+					atmel,can-isoc;
+				};
+
+				ep2 {
+					reg = <2>;
+					atmel,fifo-size = <1024>;
+					atmel,nb-banks = <2>;
+					atmel,can-dma;
+					atmel,can-isoc;
+				};
+
+				ep3 {
+					reg = <3>;
+					atmel,fifo-size = <1024>;
+					atmel,nb-banks = <3>;
+					atmel,can-dma;
+				};
+
+				ep4 {
+					reg = <4>;
+					atmel,fifo-size = <1024>;
+					atmel,nb-banks = <3>;
+					atmel,can-dma;
+				};
+
+				ep5 {
+					reg = <5>;
+					atmel,fifo-size = <1024>;
+					atmel,nb-banks = <3>;
+					atmel,can-dma;
+					atmel,can-isoc;
+				};
+
+				ep6 {
+					reg = <6>;
+					atmel,fifo-size = <1024>;
+					atmel,nb-banks = <3>;
+					atmel,can-dma;
+					atmel,can-isoc;
+				};
+			};
+
 			watchdog@fffffe40 {
 				compatible = "atmel,at91sam9260-wdt";
 				reg = <0xfffffe40 0x10>;

arch/arm/mach-at91/at91sam9x5.c

@@ -249,6 +249,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
 	CLKDEV_CON_DEV_ID("hclk", "600000.ohci", &uhphs_clk),
 	CLKDEV_CON_DEV_ID("ohci_clk", "600000.ohci", &uhphs_clk),
 	CLKDEV_CON_DEV_ID("ehci_clk", "700000.ehci", &uhphs_clk),
+	CLKDEV_CON_DEV_ID("hclk", "500000.gadget", &utmi_clk),
+	CLKDEV_CON_DEV_ID("pclk", "500000.gadget", &udphs_clk),
 };
 
 /*